Notification of share transactions by Lumen Investments S.à r.l

ArcelorMittal (MT) announced that a notification of share transactions by Lumen Investments is available on public disclosure platforms.

Rhea-AI Summary

ArcelorMittal (MT) announced that a notification of share transactions by Lumen Investments is available on public disclosure platforms. Lumen Investments forms part of the Significant Shareholder structure. The notification is accessible through the Luxembourg Stock Exchange’s OAM electronic database and ArcelorMittal’s website under Investors > Share Transactions by Management.

Key Terms

market abuse regulation

1 terms

market abuse regulation regulatory

"on market abuse (Market Abuse Regulation)"

Market abuse regulation consists of laws and rules designed to prevent dishonest or manipulative practices in financial markets. It aims to ensure fair and transparent trading, so investors can trust that markets operate honestly, much like rules that keep a game fair. By reducing unfair advantages, it helps protect investor confidence and promotes healthy, efficient markets.

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Luxembourg, 21 October 2026, 13:00 CET

With reference to Article 19(3) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (Market Abuse Regulation), ArcelorMittal announces a notification of share transactions by Lumen Investments S.à r.l., an entity forming part of the Significant Shareholder structure, is available in the Luxembourg Stock Exchange's electronic database OAM on www.bourse.lu and on ArcelorMittal's website www.arcelormittal.com under Investors > Share Transactions by Management: https://corporate.arcelormittal.com/investors/corporate-governance/share-transactions-by-management.

ENDS

About ArcelorMittal

ArcelorMittal is one of the world’s leading integrated steel and mining companies with a presence in 60 countries and primary steelmaking operations in 14 countries. It is the largest steel producer in Europe, among the largest in the Americas, and has a growing presence in Asia through its joint venture AM/NS India. ArcelorMittal sells its products to a diverse range of customers including the automotive, engineering, construction and machinery industries, and in 2025 generated revenues of $61.4 billion, produced 55.6 million metric tonnes of crude steel and 48.8 million tonnes of iron ore. Our purpose is to produce smarter steels for people and planet. Steels made using innovative processes which use less energy, emit significantly less carbon and reduce costs. Steels that are cleaner, stronger and reusable. Steels for the renewable energy infrastructure that will support societies as they transform through this century. With steel at our core, our inventive people and an entrepreneurial culture at heart, we will support the world in making that change.
 

ArcelorMittal is listed on the stock exchanges of New York (MT), Amsterdam (MT), Paris (MT), Luxembourg (MT) and on the Spanish stock exchanges of Barcelona, Bilbao, Madrid and Valencia (MTS). http://corporate.arcelormittal.com/

ArcelorMittal Investor Relations contact information
General	+44 20 7543 1128
Retail	+44 20 3214 2893
Bonds/Credit	+33 157 955 035

ArcelorMittal Corporate Communications contact information
Paul Weigh
Tel:	+44 20 3214 2419
E-mail	press@arcelormittal.com